<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>帅哥美女走一走</title>
</head>
<body>
    <div id="app">
        <ul v-for="item in person">
            <li>{{ item }}</li>
        </ul>
        <button @click="rotatePerson">走一走</button>
    </div>
    <script src="./vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                person:["帅哥","美女","程序猿"]   
            },
            methods: {
                rotatePerson(){
                    this.person.push(this.person.shift())
                }
            }
        })
    </script>
</body>
</html>